Random selection video bits, commonly known already, but looking at them this way gives you an alt perspective. For instance with the Wampa Arm change you can see how they modified in multiple locations of the frame in the sequence:
http://noneinc.com/SWDIF/SWDIF_EarlyTests/ESBDIF_480-WampaArm.mp4
With the lightsaber fixes in SW, the change is a little more apparent, i'm counting 9 shots modified between Obi and Vader:
http://noneinc.com/SWDIF/SWDIF_EarlyTests/SWDIF-480_ObiVader.mp4 (57mb)
Humdinger: (pic is excessive dark, quicktime defect) http://noneinc.com/SWDIF/SWDIF_EarlyTests/SWDIF_480-Humdinger.jpg
ESB Bespin changes:
http://noneinc.com/SWDIF/SWDIF_EarlyTests/ESBDIF_BespinLeia.mp4
http://noneinc.com/SWDIF/SWDIF_EarlyTests/ESBDIF_BespinChew3po.mp4
Counted 11 Ewok eyeball shots when poking through RotJ.
R2 gets shot: http://noneinc.com/SWDIF/SWDIF_EarlyTests/RotJDIF_480-R2shot.mp4